Billie Jean, Look at Me Season 1

Lee Ji-hoon

Lee Ji-hoon (이지훈) is a South Korean singer and television, film, and musical theater actor.  He is a member of the vocal group, S.

Siwon

Choi Si-won is a South Korean singer, songwriter, model, and actor. He is a member of the South Korean boy band Super Junior and its Mandopop subgroup, Super Junior-M. Aside from being a member of Super Junior, Choi has also ventured into solo activities, mainly acting. He played lead roles in the Korean dramas Oh! My Lady (2010), Poseidon (2011), Revolutionary Love (2017), and My Fellow Citizens! (2019) and had supporting roles in Athena: Goddess of War (2010), The King of Dramas (2012) and She Was Pretty (2015). Choi has also participated in various Chinese language films such as Helios, To the Fore and Dragon Blade.

Park Tam-hee

Park Jae Young

Park Jae Young is a South Korean actress. She was part of the group called M.I.L.K (Made In Lovely Kin) which disbanded in 2003. After the disband of the group, she became a solo artist under SM Entertainment. She later changed her name and uses the stage name 'Park Hee Bon'. She graduated from Monkdong High School and later studied at Sejong University. She is the wife of the director Yoon Se Yeong.